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Income Responses to the Affordable Care Act: Evidence from a Premium Tax Credit Notch

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  • Heim, Bradley T.
  • Hunter, Gillian
  • Isen, Adam
  • Lurie, Ithai Z.
  • Ramnath, Shanthi P.

Abstract

We examine responses to the ACA subsidy for Marketplace health insurance in the first year of subsidy availability. Drawing on federal tax data and focusing on a notch in the schedule where eligibility is lost, we document that taxpayers lowered their income to remain eligible for the subsidy. The observed bunching is modest relative to the size of the notch, which, consistent with larger responses we detect in additional analyses among certain subgroups, is likely explained by significant optimization frictions. Finally, we find suggestive evidence that increased deductions drive some of the response, while reduced labor supply also plays a role.

Suggested Citation

  • Heim, Bradley T. & Hunter, Gillian & Isen, Adam & Lurie, Ithai Z. & Ramnath, Shanthi P., 2021. "Income Responses to the Affordable Care Act: Evidence from a Premium Tax Credit Notch," Journal of Health Economics, Elsevier, vol. 76(C).
  • Handle: RePEc:eee:jhecon:v:76:y:2021:i:c:s0167629620310420
    DOI: 10.1016/j.jhealeco.2020.102396
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    References listed on IDEAS

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    1. Bradley Heim & Ithai Lurie & Kosali Simon, 2018. "Did the Affordable Care Act Young Adult Provision Affect Labor Market Outcomes? Analysis Using Tax Data," ILR Review, Cornell University, ILR School, vol. 71(5), pages 1154-1178, October.
    2. Craig Garthwaite & Tal Gross & Matthew J. Notowidigdo, 2014. "Public Health Insurance, Labor Supply, and Employment Lock," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 129(2), pages 653-696.
    3. Julie Shi, 2016. "Income Responses to Health Insurance Subsidies: Evidence from Massachusetts," American Journal of Health Economics, MIT Press, vol. 2(1), pages 96-124, Winter.
    4. James Bailey & Anna Chorniy, 2016. "Employer-Provided Health Insurance And Job Mobility: Did The Affordable Care Act Reduce Job Lock?," Contemporary Economic Policy, Western Economic Association International, vol. 34(1), pages 173-183, January.
    5. Mark Duggan & Gopi Shah Goda & Emilie Jackson, 2019. "The Effects of the Affordable Care Act on Health Insurance Coverage and Labor Market Outcomes," National Tax Journal, National Tax Association;National Tax Journal, vol. 72(2), pages 261-322, June.
    6. Yaa Akosa Antwi & Asako S. Moriya & Kosali Simon, 2013. "Effects of Federal Policy to Insure Young Adults: Evidence from the 2010 Affordable Care Act's Dependent-Coverage Mandate," American Economic Journal: Economic Policy, American Economic Association, vol. 5(4), pages 1-28, November.
    7. Pauline Leung & Alexandre Mas, 2016. "Employment Effects of the ACA Medicaid Expansions," Working Papers 594, Princeton University, Department of Economics, Industrial Relations Section..
    8. Julie Shi, 2016. "Income Responses to Health Insurance Subsidies: Evidence from Massachusetts," American Journal of Health Economics, MIT Press, vol. 2(1), pages 96-124, January.
    9. Ramnath, Shanthi, 2013. "Taxpayers' responses to tax-based incentives for retirement savings: Evidence from the Saver's Credit notch," Journal of Public Economics, Elsevier, vol. 101(C), pages 77-93.
    10. Emmanuel Saez, 2010. "Do Taxpayers Bunch at Kink Points?," American Economic Journal: Economic Policy, American Economic Association, vol. 2(3), pages 180-212, August.
    11. Laura Dague & Thomas DeLeire & Lindsey Leininger, 2017. "The Effect of Public Insurance Coverage for Childless Adults on Labor Supply," American Economic Journal: Economic Policy, American Economic Association, vol. 9(2), pages 124-154, May.
    12. Amy Finkelstein & Nathaniel Hendren & Mark Shepard, 2017. "Subsidizing Health Insurance for Low-Income Adults: Evidence from Massachusetts," NBER Working Papers 23668, National Bureau of Economic Research, Inc.
    13. Robert Kaestner & Bowen Garrett & Jiajia Chen & Anuj Gangopadhyaya & Caitlyn Fleming, 2017. "Effects of ACA Medicaid Expansions on Health Insurance Coverage and Labor Supply," Journal of Policy Analysis and Management, John Wiley & Sons, Ltd., vol. 36(3), pages 608-642, June.
    14. Raj Chetty & John N. Friedman & Tore Olsen & Luigi Pistaferri, 2011. "Adjustment Costs, Firm Responses, and Micro vs. Macro Labor Supply Elasticities: Evidence from Danish Tax Records," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 126(2), pages 749-804.
    15. Kavan Kucko & Kevin Rinz & Benjamin Solow, 2017. "Labor Market Effects of the Affordable Care Act: Evidence from a Tax Notch," CARRA Working Papers 2017-07, Center for Economic Studies, U.S. Census Bureau.
    16. Henrik J. Kleven & Mazhar Waseem, 2013. "Using Notches to Uncover Optimization Frictions and Structural Elasticities: Theory and Evidence from Pakistan," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 128(2), pages 669-723.
    17. DeLeire, Thomas & Chappel, Andre & Finegold, Kenneth & Gee, Emily, 2017. "Do individuals respond to cost-sharing subsidies in their selections of marketplace health insurance plans?," Journal of Health Economics, Elsevier, vol. 56(C), pages 71-86.
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    Cited by:

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    2. Patricia H. Born & E. Tice Sirmans & Petra Steinorth, 2023. "Health insurers' use of quality improvement expenses to achieve a minimum medical loss ratio requirement," Journal of Risk & Insurance, The American Risk and Insurance Association, vol. 90(1), pages 123-154, March.
    3. Isaac, Elliott & Jiang, Haibin, 2022. "Tax-Based Marriage Incentives in the Affordable Care Act," IZA Discussion Papers 15331, Institute of Labor Economics (IZA).

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    More about this item

    Keywords

    Affordable Care Act; Insurance Subsidies; Notch; Income;
    All these keywords.

    JEL classification:

    • I24 - Health, Education, and Welfare - - Education - - - Education and Inequality
    • I18 - Health, Education, and Welfare - - Health - - - Government Policy; Regulation; Public Health
    • H24 - Public Economics - - Taxation, Subsidies, and Revenue - - - Personal Income and Other Nonbusiness Taxes and Subsidies
    • H31 - Public Economics - - Fiscal Policies and Behavior of Economic Agents - - - Household

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